A group supporting Blue Lives Matter gathers in the Mount Greenwood neighborhood, in Chicago, Tuesday, Nov. 8, 2016 where Joshua Beal, who was shot to death by an off duty Chicago police officer on Nov. 5. The predominantly white neighborhood on Chicago's southwest side has been rocked by confrontations between protesters and police supporters since Beal's fatal shooting. (E. Jason Wambsgans//Chicago Tribune via AP)

A group supporting Blue Lives Matter gathers in the Mount Greenwood neighborhood, in Chicago, Tuesday, Nov. 8, 2016 where Joshua Beal, who was shot to death by an off duty Chicago police officer on Nov. 5. The predominantly white neighborhood on Chicago's southwest side has been rocked by confrontations between protesters and police supporters since Beal's fatal shooting. (E. Jason Wambsgans//Chicago Tribune via AP)